package com.itheima.mapper;

import com.itheima.pojo.Category;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface CategoryMapper {

   /**
  *新增文章
     */
    @Insert("insert into category(category_name,category_alias,carate_user,create_time,update_time)" +
            "values(#{categoryName},#{categoryAlias},#{createUser},#{createrTime},#updateTime)")
    void add(Category category);

    /**
     * 查询所有
     * @param userId
     * @return
     */
    @Select("select * from Category where create_user=#{userId}")
    List<Category> list(Integer userId);

 /**
  * 根据id查询用户信息
  *
  * @param id
  * @return
  */
 @Select("select * from Category where id=#{id}")
 Category findByid(Integer id);

 /**
  * 跟新分类
  * @param category
  */

 @Update("update category set category_name=#{categoryName},category_alias=#{categoryAlias},update_time#{updateTime} where id=#{id}")
 void update(Category category);
}
